Profile Substitution - Testing email messages using targeted profiles

This video explains how you can test your email messages using Profile Substitution. It covers the following use case:

Suppose you want to send a personalized email newsletter. Before sending the newsletter, however, a colleague wants to review it and has asked for proofs. You can use the Profile Substitution features to send a proof, as it allows you to send an exact representation of the message that the targeted profile receives.